83% (2006)

82% (2011)

83% (1997)

77% (2004)

84% (1990)

52% (1984)

78% (2016)

76% (2011)

75% (2005)

75% (2013)

83% (2000)

72% (2009)

80% (2018)

78% (1995)

79% (2007)

67% (2014)

37% (1991)

77% (2007)

80% (1994)

77% (2003)